US8871825B2 - Polypropylene resin composition, method for producing the same, and foam molded article - Google Patents

Polypropylene resin composition, method for producing the same, and foam molded article Download PDF

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Publication number
US8871825B2
US8871825B2 US12/739,896 US73989608A US8871825B2 US 8871825 B2 US8871825 B2 US 8871825B2 US 73989608 A US73989608 A US 73989608A US 8871825 B2 US8871825 B2 US 8871825B2
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Prior art keywords
propylene
ethylene
mass
copolymer
resin composition
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US12/739,896
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US20100298456A1 (en
Inventor
Hiroyoshi Nakajima
Yoshitaka Kobayashi
Takashi Fujimoto
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Priority to JP2007283095 priority Critical
Priority to JP2007283093 priority
Priority to JP2007-283095 priority
Priority to JP2007-283093 priority
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to PCT/JP2008/070259 priority patent/WO2009057825A1/en
Assigned to SUMITOMO CHEMICAL COMPANY, LIMITED reassignment SUMITOMO CHEMICAL COMPANY, LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUJIMOTO, TAKASHI, KOBAYASHI, YOSHITAKA, NAKAJIMA, HIROYOSHI
Publication of US20100298456A1 publication Critical patent/US20100298456A1/en
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